From: Jamison, Kirk/ジャミソン カーク <k.jami...@fujitsu.com> > [Results] > Recovery/Failover performance (in seconds). 3 trial runs. > > | shared_buffers | master | patch | %reg | > |----------------|--------|--------|---------| > | 128MB | 32.406 | 33.785 | 4.08% | > | 1GB | 36.188 | 32.747 | -10.51% | > | 2GB | 41.996 | 32.88 | -27.73% |
Thanks for sharing good results. We want to know if we can get as significant results as you gained before with hundreds of GBs of shared buffers, don't we? > I also did similar benchmark performance as what Tomas did [1], simple > "pgbench -S" tests (warmup and then 15 x 1-minute runs with 1, 8 and 16 > clients, but I'm not sure if my machine is reliable enough to produce reliable > results for 8 clients and more. Let me confirm just in case. Your patch should not affect pgbench performance, but you measured it. Is there anything you're concerned about? Regards Takayuki Tsunakawa
